diff --git a/example/config.yml b/example/config.yml
index 5dfa4d8..97bbe9b 100644
--- a/example/config.yml
+++ b/example/config.yml
@@ -29,6 +29,8 @@ CERT_EXPIRY: "438000h"
 CLUSTER_NAME: "cluster1"
 CONTEXT_NAME: "context-{{ CLUSTER_NAME }}"
 
+# k8s version
+K8S_VER: "__k8s_ver__"
 
 ############################
 # role:etcd
diff --git a/ezctl b/ezctl
index 5cbd5f9..e22c305 100755
--- a/ezctl
+++ b/ezctl
@@ -140,7 +140,8 @@ function new() {
     sed -i "s/_cluster_name_/$1/g" "clusters/$1/hosts"
     cp example/config.yml "clusters/$1/config.yml"
 
-    logger debug "set version of common plugins"
+    logger debug "set versions"
+    k8sVer=$(grep 'K8S_BIN_VER=v' ezdown|cut -d'v' -f2)
     calicoVer=$(grep 'calicoVer=' ezdown|cut -d'=' -f2)
     ciliumVer=$(grep 'ciliumVer=' ezdown|cut -d'=' -f2)
     flannelVer=$(grep 'flannelVer=' ezdown|cut -d'=' -f2)
@@ -160,7 +161,8 @@ function new() {
 
     grep registry-mirrors /etc/docker/daemon.json > /dev/null 2>&1 || { logger debug "disable registry mirrors"; registryMirror=false; }
 
-    sed -i -e "s/__flannel__/$flannelVer/g" \
+    sed -i -e "s/__k8s_ver__/$k8sVer/g" \
+           -e "s/__flannel__/$flannelVer/g" \
 	   -e "s/__calico__/$calicoVer/g" \
 	   -e "s/__cilium__/$ciliumVer/g" \
 	   -e "s/__kube_ovn__/$kubeOvnVer/g" \
diff --git a/playbooks/32.delnode.yml b/playbooks/32.delnode.yml
index 855cdcf..fe0701c 100644
--- a/playbooks/32.delnode.yml
+++ b/playbooks/32.delnode.yml
@@ -5,8 +5,23 @@
   - fail: msg="you CAN NOT delete the last member of kube_master!"
     when: "groups['kube_master']|length < 2 and NODE_TO_DEL in groups['kube_master']"
 
+  - name: 注册变量 K8S 主版本
+    shell: echo {{ K8S_VER }}|awk -F. '{print $1"."$2}'
+    register: K8S_VER_MAIN
+
+  - name: 设置kubectl drain 参数
+    set_fact: DRAIN_OPT="--delete-emptydir-data --ignore-daemonsets --force"
+    when: "K8S_VER_MAIN.stdout|float > 1.19"
+
+  - name: 设置kubectl drain 参数
+    set_fact: DRAIN_OPT="--delete-local-data --ignore-daemonsets --force"
+    when: "K8S_VER_MAIN.stdout|float < 1.20"
+
+  - name: debug info
+    debug: var="DRAIN_OPT"
+
   - name: run kubectl drain @{{ NODE_TO_DEL }}
-    shell: "{{ base_dir }}/bin/kubectl drain {{ NODE_TO_DEL }} --ignore-daemonsets --delete-emptydir-data --force"
+    shell: "{{ base_dir }}/bin/kubectl drain {{ NODE_TO_DEL }} {{ DRAIN_OPT }}"
     #ignore_errors: true
 
   - name: clean node {{ NODE_TO_DEL }}
diff --git a/playbooks/33.delmaster.yml b/playbooks/33.delmaster.yml
index 17d25f7..9016288 100644
--- a/playbooks/33.delmaster.yml
+++ b/playbooks/33.delmaster.yml
@@ -5,8 +5,23 @@
   - fail: msg="you CAN NOT delete the last member of kube_master!"
     when: "groups['kube_master']|length < 2 and NODE_TO_DEL in groups['kube_master']"
 
+  - name: 注册变量 K8S 主版本
+    shell: echo {{ K8S_VER }}|awk -F. '{print $1"."$2}'
+    register: K8S_VER_MAIN
+
+  - name: 设置kubectl drain 参数
+    set_fact: DRAIN_OPT="--delete-emptydir-data --ignore-daemonsets --force"
+    when: "K8S_VER_MAIN.stdout|float > 1.19"
+
+  - name: 设置kubectl drain 参数
+    set_fact: DRAIN_OPT="--delete-local-data --ignore-daemonsets --force"
+    when: "K8S_VER_MAIN.stdout|float < 1.20"
+
+  - name: debug info
+    debug: var="DRAIN_OPT"
+
   - name: run kubectl drain @{{ NODE_TO_DEL }}
-    shell: "{{ base_dir }}/bin/kubectl drain {{ NODE_TO_DEL }} --ignore-daemonsets --delete-emptydir-data --force" 
+    shell: "{{ base_dir }}/bin/kubectl drain {{ NODE_TO_DEL }} {{ DRAIN_OPT }}"
     #ignore_errors: true
 
   - name: clean node {{ NODE_TO_DEL }}
diff --git a/roles/cluster-addon/files/traefik-9.12.3.tgz b/roles/cluster-addon/files/traefik-9.12.3.tgz
deleted file mode 100644
index de1859d..0000000
Binary files a/roles/cluster-addon/files/traefik-9.12.3.tgz and /dev/null differ